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water vapor permeability tester WVTR-2501 permeability testing

Categories Water Vapor Permeability Tester
Model Number: WVTR-2501
Certification: ISO,CE
Place of Origin: China
MOQ: 1 set
Price: 1 USD
Packaging Details: fumigation free wooden case
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water vapor permeability tester WVTR-2501 permeability testing


WVTR-2501 is based on the weighing method and available for the water vapor permeability test of plastic films, aluminum foil, aluminized films, plastic composite films and many others.


— Weighing method

— Dual weighing modules, patent technology

— 18 specimens, continuously test

— One-button test, test automatically in whole process

— Multiple test modes optional

— Temperature and humidity auto control

— Data curves display

— Computer control

— Environment temperature and humidity sensor inside

— Unit based on embedded system,24bit Δ-Σ AD

— Traceable reference film calibration

— Supports DSM system (DSM, lab data management system)


Test dishes filled with distilled water in a controlled dry atmosphere, a constant humidity difference is generated between two sides of the test specimen, the water vapor permeates through the specimen and into the dry side, water vapor transmission rate and other parameters can be obtained by measuring the weight changes of the test dish in different time.

Technical indexes

Test range:0.1~19,000 g/m2·24h (standard)

Test accuracy: 0.01 g/m2·24h

Specimen amount: 18 specimens, independent

Temperature range: 15C – 65C

Temperature accuracy: ±0.1C

Differential humidity range: Room%RH-97%RH,standard condition 90%RH

Humidity accuracy: ±1%RH

Test area: 28.26 cm2

Specimen size: Φ76 mm

Air velocity: 0.5~2.5 m/s (customization available)

Test chamber volume: 65L

Gas supply: Air

Gas interface: Φ8

Power supply: AC 220V 50Hz

Dimension: 830 mm(L) * 750 mm(W) * 675(H)mm

Net weight: 120kg


ISO 2528, ASTM E96, ASTM D1653, GB 1037, GB/T 16928, TAPPI T464, DIN 53122-1, JIS Z0208, YBB 00092003

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